EP0233836A1 - Fluid-jet loom - Google Patents

Fluid-jet loom Download PDF

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Publication number
EP0233836A1
EP0233836A1 EP87810022A EP87810022A EP0233836A1 EP 0233836 A1 EP0233836 A1 EP 0233836A1 EP 87810022 A EP87810022 A EP 87810022A EP 87810022 A EP87810022 A EP 87810022A EP 0233836 A1 EP0233836 A1 EP 0233836A1
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EP
European Patent Office
Prior art keywords
storage tube
llʹ
support element
valve
valves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP87810022A
Other languages
German (de)
French (fr)
Inventor
Georg Senn
Willibrordus Maria Snijders
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sulzer AG
Original Assignee
Sulzer AG
Gebrueder Sulzer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer AG
Publication of EP0233836A1 publication Critical patent/EP0233836A1/en
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3026—Air supply systems
    • D03D47/306—Construction or details of parts, e.g. valves, ducts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3026—Air supply systems
    • D03D47/3053—Arrangements or lay out of air supply systems

Definitions

  • the invention relates to a device for supplying a jet loom with pressure medium, consisting of a storage tube for pressure medium and valves for controlling the pressure medium to the weft channel of the loom during the insertion of the weft thread.
  • the pressure medium can reach the interior of the valve through a passage opening in the pressure accumulator or in the base plate of the valve.
  • the invention which achieves this object is characterized in that at least one valve is fastened to the storage tube with a support element which can be inserted and fixed in the storage tube and has a passage opening for the medium from the storage tube into the valve.
  • valve with the support element can be inserted through an opening into the storage tube and fixed against it.
  • the support element must be sealed against the storage tube so that no compressed air can escape unused. In this way, the initial assembly of the valves on the storage tube and the replacement of valves during maintenance work can be carried out quickly.
  • the storage tube l serves, inter alia, as a strut within the weaving machine frame, as a support for elements for supporting 9l or discharge 92 of the fabric 9, for storing compressed air in its interior, for example, and closes Lich for receiving valves 2, which guide the compressed air via hose lines 5l, 52 and 53 to the sley 3.
  • the sley 3 comprises the shutter corrugation 3l, the shutter profile 32 and the reed 33 as well as the auxiliary nozzles 35 which are screwed onto the shutter profile 32 with the auxiliary nozzle holders 34.
  • the reed 33 forms a weft channel 40 for the weft thread 4, which is inserted between the warp threads 7, 8 supported by blowing air from the auxiliary nozzles 35.
  • the compressed air flows out of the auxiliary nozzles 35 according to a program, which is why electromagnets are particularly suitable for actuating the valves 2.
  • the valves 2 like the auxiliary nozzles 35, are arranged distributed over the entire weaving width.
  • the valves are attached to the storage tube by support elements ll, ll ⁇ .
  • the support element ll, ll ⁇ is a cylindrical bolt which is screwed into the upper part of the valve 2, as can be seen from Fig. 2.
  • the support element ll, ll ll has a collar lll, ll2 ⁇ or lll ⁇ , ll2 ⁇ for centering in the storage tube l at both ends.
  • the support element ll, ll ⁇ is fixed by means of a screw l5, l5 ⁇ , which is screwed into the support element ll, ll ⁇ at the top.
  • the head of the screw l5, l5 ⁇ is supported by a washer l6, l6 ⁇ on the storage tube.
  • Seals 6l, 62 are used to seal between the support element ll, ll ⁇ and the storage tube l in the lower collar ll2, ll2 ⁇ and in the upper collar l5l of the screw l5 or in the collar lll ⁇ of the support element ll ⁇ .
  • the valve 2 On the side of the support element ll, ll ⁇ opposite the screw l5 or l5 ⁇ , the valve 2 is supported via the upper edge 20 on the outer circumference of the storage tube.
  • the support element ll, ll ⁇ has a passage opening l2, l2 ⁇ , l3 ⁇ . Entry into the through Step opening l2, l2 ⁇ is located approximately from the inner circumference of the storage tube l, so that dirt deposits on the bottom of the storage tube l cannot get into the passage opening l2, l2 ⁇ .
  • the storage tube l is only prepared by cleanly deburred holes l0 for the attachment of the valves 2 with the support elements ll, ll ⁇ .
  • the variant shown in FIG. 3 differs from the embodiment according to FIG. 2 in that the support element is a screw 11 with head 15 ′, which is screwed into valve 2 through storage tube 1.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

In a jet weaving machine, the pressure medium for aiding weft insertion is supplied to the auxiliary jets (35) via valves (2) which are attached to a storage tube (I). The valves (2) are in fact attached by means of support elements (II, II') which are rigidly connected to the valves (2) and are inserted into the storage tube (1) and centered therein through holes (10). The support elements (II, II') are fixed in the storage tube (I) by bolts (15, 15'), each support element (II, II') being subjected to a pretensioning force which presses the valve (2) against the circumference of the storage tube (1). Seals (61, 62) have been inserted between support elements (II, II'). The advantages of this form of attachment are inexpensive fabrication, simple assembly and high operational reliability. <IMAGE>

Description

Die Erfindung betrifft eine Einrichtung zur Versorgung einer Strahlwebmaschine mit Druckmedium, bestehend aus einem Speicherrohr für Druckmedium und Ventilen zur Steuerung des Druckmediums zum Schusskanal der Webma­schine während des Eintrags des Schussfadens.The invention relates to a device for supplying a jet loom with pressure medium, consisting of a storage tube for pressure medium and valves for controlling the pressure medium to the weft channel of the loom during the insertion of the weft thread.

Eine derartige Einrichtung wird in der japanischen GM-­Publikation Nr. l9 747/84 / Anmeldenr. l2 7689/78 vorge­stellt. Auf einem in der Webmaschine angeordneten läng­lichen Druckspeicher sitzen mechanisch betätigte Ventile, von welchen das Druckmedium zu den Hilfsdüsen an der Web­lade gelangt.Such a device is described in Japanese GM publication No. l9 747/84 / application no. L2 7689/78 presented. Mechanically operated valves sit on an elongated pressure accumulator arranged in the weaving machine, from which the pressure medium reaches the auxiliary nozzles on the sley.

Das Druckmedium kann durch eine Druchtrittsöffnung im Druckspeicher bzw. in der Grundplatte des Ventils in das Innere des Ventils gelangen.The pressure medium can reach the interior of the valve through a passage opening in the pressure accumulator or in the base plate of the valve.

Bei der Entwicklung von Webmaschinen geht es neben der Leistungssteigerung um die Konzipierung von bedienungs­freundlichen Komponenten, die gegebenenfalls ohne grossen Aufwand ausgetauscht werden können. Daneben müssen solche Komponenten einfach gestaltet sein, damit ihre Herstell­kosten niedrig bleiben. Es ist Aufgabe der vorliegenden Erfindung, eine Einrichtung zur Versorgung einer Strahl­ webmaschine mit einem Druckmedium zu schaffen, welche diese Bedingungen erfüllt.In addition to increasing performance, the development of weaving machines is also about the design of user-friendly components that can be replaced with little effort if necessary. In addition, such components must be designed so that their manufacturing costs remain low. It is an object of the present invention to provide a device for supplying a beam to create loom with a printing medium that meets these conditions.

Die Erfindung, die diese Aufgabe löst, ist dadurch ge­kennzeichnet, dass mindestens ein Ventil am Speicherrohr mit einem Tragelement befestigt ist, welches in das Speicherrohr einführbar und fixierbar ist und eine Durch­trittsöffnung für das Medium vom Speicherrohr in das Ventil aufweist.The invention which achieves this object is characterized in that at least one valve is fastened to the storage tube with a support element which can be inserted and fixed in the storage tube and has a passage opening for the medium from the storage tube into the valve.

Bei der Montage kann das Ventil mit dem Tragelement durch eine Oeffnung ins Speicherrohr eingeführt und dagegen fixiert werden. Das Tragelement muss gegen das Speicher­rohr abgedichtet sein, damit keine Druckluft ungenutzt entweichen kann. Auf diese Weise können die Erstmontage der Ventile am Speicherrohr sowie der Austausch von Ventilen bei Unterhaltsarbeiten rasch ausgeführt werden.During assembly, the valve with the support element can be inserted through an opening into the storage tube and fixed against it. The support element must be sealed against the storage tube so that no compressed air can escape unused. In this way, the initial assembly of the valves on the storage tube and the replacement of valves during maintenance work can be carried out quickly.

Im folgenden wird die Erfindung in drei bevorzugten Aus­führungen anhand der Figuren im Detail beschrieben.The invention is described in detail below in three preferred embodiments with reference to the figures.

Es zeigen:

  • Fig. l einen Querschnitt durch ein Speicherrohr mit Ven­til- und Tragelement gemäss der Erfindung sowie eine Ansicht auf die Weblade in Längsrichtung der Webmaschine,
  • Fig. 2 einen Querschnitt durch das Speicherrohr mit einem Tragelement in einer abgewandelten Aus­führung,
  • Fig. 3 eine Abwandlung der Ausführung in Fig. 2.
Show it:
  • 1 shows a cross section through a storage tube with valve and support element according to the invention and a view of the sley in the longitudinal direction of the weaving machine,
  • 2 shows a cross section through the storage tube with a support element in a modified embodiment,
  • 3 shows a modification of the embodiment in FIG. 2.

Das Speicherrohr l dient u.a. als Strebe innerhalb des Webmaschinengestells, als Träger für Elemente zur Stützung 9l bzw. Abführung 92 des Gewebes 9, zur Speicherung von beispielsweise Druckluft in seinem Inneren und schliess­ lich zur Aufnahme von Ventilen 2, welche die Druckluft über Schlauchleitungen 5l,52 und 53 zur Weblade 3 lei­ten. Die Weblade 3 umfasst die Ladenwell 3l, das Laden­profil 32 und das Riet 33 sowie die Hilfsdüsen 35, welche mit den Hilfsdüsenhaltern 34 am Ladenprofil 32 angeschraubt sind. Das Riet 33 bildet einen Schusskanal 40 für den Schussfaden 4, der zwischen den Kettfäden 7,8 durch Blasluft aus den Hilfsdüsen 35 unterstützt eingetragen wird. Die Druckluft strömt aus den Hilfsdüsen 35 nach einem Programm, weshalb sich zur Betätigung der Ventile 2 besonders Elektromagneten eignen. Die Ventile 2 sind ebenso wie die Hilfsdüsen 35 über die ganze Webbreite verteilt angeordnet. Die Ventile werden durch Tragele­mente ll,llʹ am Speicherrohr befestigt. Das Tragelement ll,llʹ ist ein zylindrischer bolzen, der im oberen Teil des Ventils 2 eingeschraubt ist, wie aus Fig. 2 ersicht­lich ist. An beiden Enden hat das Tragelelment ll,llʹ je einen Bund lll,ll2ʹ bzw. lllʹ, ll2ʹ zur Zentrierung im Speicherrohr l. Das Tragelement ll,llʹ wird mittels einer Schraube l5,l5ʹ fixiert, welche oben im Tragelement ll,llʹ eingeschraubt ist. Der Kopf der Schraube l5,l5ʹ stützt sich dabei über eine Unterlagscheibe l6,l6ʹ auf dem Speicherrohr ab. Zur Abdichtung zwischen Tragelement ll,llʹ und Speicherrohr l sind im unteren Bund ll2,ll2ʹ und im oberen Bund l5l der Schraube l5 bzw. im Bund lllʹ des Tragelements llʹ Dichtungen 6l,62 eingesetzt. Nach Anziehen der Schraube l5,l5ʹ ist das Tragelement ll,llʹ entsprechend der Schraubenkraft vorgespannt. Auf der der Schraube l5 bzw. l5ʹ gegenüberliegenden Seite des Trag­elementes ll,llʹ stützt sich das Ventil 2 über den oberen Rand 20 am äusseren Umfang des Speicherrohrs ab. Im un­teren Teil weist das Tragelement ll,llʹ eine Durch­trittsöffnung l2,l2ʹ,l3ʹ auf. Der Eintritt in die Durch­ trittsöffnung l2,l2ʹ liegt etwa vom inneren Umfang des Speicherrohrs l entfernt, damit Schmutzablagerungen auf dem Boden des Speicherrohrs l nicht in die Durchtritts­öffnung l2,l2ʹ gelangen können. Das Speicherrohr l ist lediglich durch sauber entgratete bohrungen l0 für den Anbau der Ventile 2 mit den Tragelementen ll,llʹ vorbe­reitet.The storage tube l serves, inter alia, as a strut within the weaving machine frame, as a support for elements for supporting 9l or discharge 92 of the fabric 9, for storing compressed air in its interior, for example, and closes Lich for receiving valves 2, which guide the compressed air via hose lines 5l, 52 and 53 to the sley 3. The sley 3 comprises the shutter corrugation 3l, the shutter profile 32 and the reed 33 as well as the auxiliary nozzles 35 which are screwed onto the shutter profile 32 with the auxiliary nozzle holders 34. The reed 33 forms a weft channel 40 for the weft thread 4, which is inserted between the warp threads 7, 8 supported by blowing air from the auxiliary nozzles 35. The compressed air flows out of the auxiliary nozzles 35 according to a program, which is why electromagnets are particularly suitable for actuating the valves 2. The valves 2, like the auxiliary nozzles 35, are arranged distributed over the entire weaving width. The valves are attached to the storage tube by support elements ll, llʹ. The support element ll, llʹ is a cylindrical bolt which is screwed into the upper part of the valve 2, as can be seen from Fig. 2. The support element ll, ll ll has a collar lll, ll2ʹ or lllʹ, ll2ʹ for centering in the storage tube l at both ends. The support element ll, llʹ is fixed by means of a screw l5, l5ʹ, which is screwed into the support element ll, llʹ at the top. The head of the screw l5, l5ʹ is supported by a washer l6, l6ʹ on the storage tube. Seals 6l, 62 are used to seal between the support element ll, llʹ and the storage tube l in the lower collar ll2, ll2ʹ and in the upper collar l5l of the screw l5 or in the collar lllʹ of the support element llʹ. After tightening the screw l5, l5ʹ, the support element ll, llʹ is prestressed according to the screw force. On the side of the support element ll, llʹ opposite the screw l5 or l5ʹ, the valve 2 is supported via the upper edge 20 on the outer circumference of the storage tube. In the lower part, the support element ll, llʹ has a passage opening l2, l2ʹ, l3ʹ. Entry into the through Step opening l2, l2ʹ is located approximately from the inner circumference of the storage tube l, so that dirt deposits on the bottom of the storage tube l cannot get into the passage opening l2, l2ʹ. The storage tube l is only prepared by cleanly deburred holes l0 for the attachment of the valves 2 with the support elements ll, llʹ.

Die in Figur 3 gezeigte Variante unterscheidet sich von der Ausführung nach Fig. 2 dadurch, dass das Tragelement eine Schraube llʹʹ mit dem Kopf l5ʹʹ ist, die durch das Speicherrohr l in das Ventil 2 eingedreht wird.The variant shown in FIG. 3 differs from the embodiment according to FIG. 2 in that the support element is a screw 11 with head 15 ′, which is screwed into valve 2 through storage tube 1.

Claims (8)

1. Einrichtung zur Versorgung einer Strahlwebmaschine mit Druckmedium, bestehend aus einem Speicherrohr (l) für das Druckmedium und Ventilen (2) zur Steuerung der Druckmediumzufuhr zum Schusskanal (40) der Webmaschine während des Eintrags des Schussfadens (4), dadurch gekennzeichnet, dass mindestens ein Ven­til (2) am Speicherrohr (l) mit einem Tragelement (ll, llʹ,llʹʹ) befestigt ist, welches in das Speicherrohr einführbar und fixierbar ist und eine Druchtrittsöffnung (l2,l2ʹ,l3ʹ) für das Medium vom Speicherrohr in das Ven­til aufweist.1. Device for supplying a jet loom with pressure medium, consisting of a storage tube (l) for the pressure medium and valves (2) for controlling the pressure medium supply to the weft channel (40) of the loom during the insertion of the weft thread (4), characterized in that at least a valve (2) is attached to the storage tube (l) with a support element (ll, llʹ, llʹʹ) which can be inserted and fixed in the storage tube and has a passage opening (l2, l2ʹ, l3ʹ) for the medium from the storage tube into the valve . 2. Einrichtung nach Anspruch l, dadurch gekennzeichnet, dass das Ventil (2) mit dem Tragelement (ll,llʹ) starr verbunden ist.2. Device according to claim l, characterized in that the valve (2) with the support element (ll, llʹ) is rigidly connected. 3. Einrichtung nach Anspruch l, dadruch gekennzeichnet, dass das Tragelement (ll,llʹ) ein prismatischer Stab ist.3. Device according to claim l, characterized in that the supporting element (ll, llʹ) is a prismatic rod. 4. Einrichtung nach Anspruch l und 3, dadruch gekenn­zeichnet, dass das Tragelement (ll,llʹ) in zwei Boh­rungen (l0) des Speicherrohrs (l) sitzt, welche miteinan­der fluchten.4. Device according to claim l and 3, characterized in that the support element (ll, llʹ) sits in two bores (l0) of the storage tube (l) which are aligned with one another. 5. Einrichtung nach Ansprüchen l und 4, dadruch gekennzeichnet, dass zwischen dem Tragelement (ll,llʹ) und den Bohrungen (l0) Dichtelemente (6l,62) vorgesehen sind.5. Device according to claims l and 4, characterized in that sealing elements (6l, 62) are provided between the support element (ll, llʹ) and the bores (l0). 6. Einrichtung nach Anspruch l, dadruch gekennzeichnet, dass das Tragelement (ll,llʹ) unter Vorspannung in Längsrichtung im Speicherrohr (l) befestigt ist.6. Device according to claim l, characterized in that the supporting element (ll, llʹ) is fastened under prestress in the longitudinal direction in the storage tube (l). 7. Einrichtung nach den Ansprüchen l und 6, dadruch gekennzeichnet, dass das Ventil (2) mittels des Tragele­nemts (ll,llʹ) gegen das Speicherrohr (l) gepresst wird, indem eine in das Tragelement eingesetzte Schraube (l5,­l5ʹ) auf der dem Ventil (2) gegenüberliegenden Seite des Speicherrohres eine Spannkraft über das Tragelment (ll,­llʹ) auf das Speicherrohr überträgt.7. Device according to claims l and 6, characterized in that the valve (2) by means of the Tragelenemts (ll, llʹ) is pressed against the storage tube (l) by a screw inserted into the support element (l5, l5ʹ) on the the valve (2) opposite side of the storage tube transmits a clamping force on the support element (ll, llʹ) on the storage tube. 8. Einrichtung nach Anspruch l, dadruch gekennzeichnet, dass das Tragelement eine durch das Speicherrohr (l) gesteckter im Ventil (2) sitzende Schraube (llʹʹ) ist.8. Device according to claim l, characterized in that the support element is a screw (llʹʹ) inserted through the storage tube (l) in the valve (2).
EP87810022A 1986-02-19 1987-01-14 Fluid-jet loom Withdrawn EP0233836A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH66886 1986-02-19
CH668/86 1986-02-19

Publications (1)

Publication Number Publication Date
EP0233836A1 true EP0233836A1 (en) 1987-08-26

Family

ID=4192355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87810022A Withdrawn EP0233836A1 (en) 1986-02-19 1987-01-14 Fluid-jet loom

Country Status (2)

Country Link
EP (1) EP0233836A1 (en)
JP (1) JPS62199847A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102094282A (en) * 2009-12-15 2011-06-15 津田驹工业株式会社 Wefting device of jet-propelled loom

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH454761A (en) * 1966-07-22 1968-04-15 Strake Maschf Nv Loom
FR2212455A1 (en) * 1972-12-30 1974-07-26 Scheffel Walter
DE3218006A1 (en) * 1982-05-13 1983-11-17 Daimler-Benz Ag, 7000 Stuttgart Holding device for electrically controllable pneumatic modules, in particular vacuum solenoid valves

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH454761A (en) * 1966-07-22 1968-04-15 Strake Maschf Nv Loom
FR2212455A1 (en) * 1972-12-30 1974-07-26 Scheffel Walter
DE3218006A1 (en) * 1982-05-13 1983-11-17 Daimler-Benz Ag, 7000 Stuttgart Holding device for electrically controllable pneumatic modules, in particular vacuum solenoid valves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102094282A (en) * 2009-12-15 2011-06-15 津田驹工业株式会社 Wefting device of jet-propelled loom

Also Published As

Publication number Publication date
JPH0314933B2 (en) 1991-02-27
JPS62199847A (en) 1987-09-03

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